AnswersSY2025-26 - 2002040 MJ Comprehensive Science 1 Sem 1 CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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Which change will decrease the electric force between two positively charged objects?

A
moving them closer together
B
moving them farther apart
C
adding neutrons
D
removing electrons
42
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The diagram shows a toy car on a number line.

Question illustration
A
–4
B
1
C
2
D
4
43

Which is a type of heat transfer that causes the air at the top floor of a building to be hotter than the air at the bottom floor of a building?

A
conduction
B
convection
C
radiation
D
reflection
44

Which part of a thunderstorm is the most threatening?

A
thunder
B
wind
C
rain
D
lightning
45

The table contains errors.

Question illustration
A
saltwater intrusion and sinkholes
B
mining and coastal erosion
C
saltwater intrusion and mining
D
sinkholes and coastal erosion
46

Jena is reading about factors that affect Florida’s climate. One sentence reads: Most of Florida is less than 100 feet above sea level.Which factor is she reading about?

A
elevation
B
latitude
C
ocean currents
D
proximity to large bodies of water
47

Shondra takes notes in class.

Question illustration
A
Switch "the energy of moving objects" and "the ability to do work" and place chemical energy under "Forms of energy."
B
Switch "the energy of flowing electrical charges" and "the energy in a spring" and place kinetic energy under "Forms of energy."
C
Switch "the energy in the nuclei of atoms" and "the energy stored in objects'" and place nuclear energy under "Main categories of energy."
D
Switch "the energy from the Sun" and "the energy of a rock on a hill" and place electrical energy under "Main categories of energy."
48

How does latitude affect climate?

A
Latitude controls the angle of tilt for Earth’s axis.
B
Latitude determines the duration of daylight hours.
C
Latitude causes air temperatures to remain cool at higher elevations.
D
Latitude causes ocean currents to move in a certain direction.
49

Johanna is studying what happens to the energy as a ball rolls down a ramp. What is one form of energy that she is studying?

A
gravitational potential energy
B
electrical energy
C
chemical energy
D
elastic potential energy
50

Which characteristic describes the troposphere?

A
contains the ozone layer
B
has the highest air pressure
C
spans 12–50 km above Earth
D
is a good place for planes to fly

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